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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Density
Flow
Pressure
Distance

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Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

(N√Q)/H3/4
(N√Q)/H5/4
(N√Q)/H2/3
(N√Q)/H

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Pressure force
Gravity force
Viscous force
Elastic force

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Hydraulics and Fluid Mechanics in ME
Manometer is used to measure

pressure in pipes, channels etc
very low pressure
difference of pressure between two points
atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
The power developed by a turbine is (where H = Head of water under which the turbine is working)

Directly proportional to H1/2
Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H1/2

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

51 cm
52 cm
50 cm
52.2 cm

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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